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13258 Bej (1998 QT12)
Classification: Main-belt Asteroid          SPK-ID: 2013258
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09283307560002584 4.7053e-08  
a 2.37262573719779 1.5344e-08 AU
q 2.152367592765941 1.1419e-07 AU
i 5.974015151097897 5.398e-06 deg
node 290.1486607388553 5.6137e-05 deg
peri 329.6046675123139 6.6995e-05 deg
M 221.6141259980626 3.8373e-05 deg
tp 2457513.634887343020
(2016-May-05.13488734)
0.00014356 JED
period 1334.880173108572
3.65
1.2949e-05
3.545e-08
d
yr
n .2696871279177502 2.6161e-09 deg/d
Q 2.59288388162964 1.6768e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      12611 days (34.53 yr)  
   first obs. used      1980-09-13  
   last obs. used      2015-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46061  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:46:22  

Additional Information
 Earth MOID = 1.14072 AU 
 T_jup = 3.530 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO309255  

13258 Bej           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gautam Ashim Bej (b. 1989) is a finalist in the 2002 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his biochemistry, medicine, health, and microbiology project. He attends the Altamont School, Birmingham, Alabama.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021021/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1998 QT12 = 1980 RF7 = 1990 HV 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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